💾 Archived View for runjimmyrunrunyoufuckerrun.com › src › games › chessengines › crafty › evaluate.… captured on 2021-12-17 at 13:26:06.
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#include "chess.h"
/* *INDENT-OFF* */
/*
************************************************************
* *
* Pawn scoring terms. *
* *
************************************************************
*/
const int pawn_can_promote = 525;
const int pawn_file_width = 8;
const int pawn_unsupported[2] = { -8, -4 };
const int pawn_defects[2][8] = {
{ 0, 0, 0, 1, 2, 3, 0, 0 }, /* [black][8] */
{ 0, 0, 3, 2, 1, 0, 0, 0 } /* [white][8] */
};
const int passed_pawn[8] = { 0, 0, 0, 2, 6, 12, 21, 0 };
const int passed_pawn_base[2] = { 4, 8 };
const int passed_pawn_free_advance = 8;
const int passed_pawn_free_advance_1 = 5;
const int passed_pawn_defended = 3;
const int passed_pawn_defended_1 = 2;
const int passed_pawn_candidate[2][8] = {
{ 0, 2, 2, 6, 13, 32, 0, 0 }, /* [mg][rank] */
{ 0, 5, 5, 11, 27, 65, 0, 0 } /* [eg][rank] */
};
const int pawn_doubled[2][8] = {
{ 5, 8, 9, 9, 9, 9, 8, 5},
{17, 19, 19, 19, 19, 19, 19, 17}
};
const int pawn_isolated[2][8] = {
{14, 21, 23, 23, 23, 23, 21, 14},
{10, 14, 16, 16, 16, 16, 14, 10}
};
const int pawn_backward[2][8] = {
{12, 17, 19, 19, 19, 19, 17, 12},
{ 8, 11, 16, 16, 16, 16, 11, 8}
};
const int pawn_connected[8][8] = {
{ 0, 0, 0, 0, 0, 0, 0, 0},
{ 0, 1, 1, 2, 2, 1, 1, 0},
{ 1, 2, 2, 3, 3, 2, 2, 1},
{ 3, 5, 5, 6, 6, 5, 5, 3},
{ 11, 13, 13, 14, 14, 13, 13, 11},
{ 25, 27, 27, 28, 28, 27, 27, 25},
{ 48, 52, 52, 53, 53, 52, 52, 48},
{ 0, 0, 0, 0, 0, 0, 0, 0}
};
const int pval[2][2][64] = {
{{ 0, 0, 0, 0, 0, 0, 0, 0,
-10, 0, 0, 0, 0, 0, 0, -10,
-10, 0, 0, 0, 0, 0, 0, -10,
-10, 0, 6, 10, 10, 6, 0, -10, /* [mg][black][64] */
-10, 0, 10, 21, 21, 10, 0, -10,
-10, 0, 7, 11, 11, 7, 0, -10,
-10, 0, 0, 0, 0, 0, 0, -10,
0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0,
-10, 0, 0, 0, 0, 0, 0, -10,
-10, 0, 7, 11, 11, 7, 0, -10,
-10, 0, 10, 21, 21, 10, 0, -10, /* [mg][white][64] */
-10, 0, 6, 10, 10, 6, 0, -10,
-10, 0, 0, 0, 0, 0, 0, -10,
-10, 0, 0, 0, 0, 0, 0, -10,
0, 0, 0, 0, 0, 0, 0, 0 }},
{{ 0, 0, 0, 0, 0, 0, 0, 0,
-4, 1, 1, 1, 1, 1, 1, -4,
-4, 1, 1, 1, 1, 1, 1, -4,
-4, 1, 4, 6, 6, 4, 1, -4, /* [eg][black][64] */
-4, 1, 6, 12, 12, 6, 1, -4,
-4, 1, 5, 7, 7, 5, 1, -4,
-4, 1, 1, 1, 1, 1, 1, -4,
0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0,
-4, 1, 1, 1, 1, 1, 1, -4,
-4, 1, 5, 7, 7, 5, 1, -4,
-4, 1, 6, 12, 12, 6, 1, -4, /* [eg][white][64] */
-4, 1, 4, 6, 6, 4, 1, -4,
-4, 1, 1, 1, 1, 1, 1, -4,
-4, 1, 1, 1, 1, 1, 1, -4,
0, 0, 0, 0, 0, 0, 0, 0 }}
};
/*
************************************************************
* *
* Knight scoring terms. *
* *
************************************************************
*/
const int king_tropism_n[8] = { 3, 3, 3, 2, 1, 0, 0, 0 };
const int knight_outpost[2][64] = {
{ 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 4, 4, 4, 4, 1, 0,
0, 2, 6, 8, 8, 6, 2, 0,
0, 1, 4, 4, 4, 4, 1, 0, /* [black][64] */
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 4, 4, 4, 4, 1, 0,
0, 2, 6, 8, 8, 6, 2, 0, /* [white][64] */
0, 1, 4, 4, 4, 4, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0 }
};
const int nval[2][2][64] = {
{{ -41, -29, -27, -15, -15, -27, -29, -41,
-9, 4, 14, 20, 20, 14, 4, -9,
-7, 10, 23, 29, 29, 23, 10, -7,
-5, 12, 25, 32, 32, 25, 12, -5, /* [mg][black][64] */
-5, 10, 23, 28, 28, 23, 10, -5,
-7, -2, 19, 19, 19, 19, -2, -7,
-9, -6, -2, 0, 0, -2, -6, -9,
-31, -29, -27, -25, -25, -27, -29, -31 },
{ -31, -29, -27, -25, -25, -27, -29, -31,
-9, -6, -2, 0, 0, -2, -6, -9,
-7, -2, 19, 19, 19, 19, -2, -7,
-5, 10, 23, 28, 28, 23, 10, -5, /* [mg][white][64] */
-5, 12, 25, 32, 32, 25, 12, -5,
-7, 10, 23, 29, 29, 23, 10, -7,
-9, 4, 14, 20, 20, 14, 4, -9,
-41, -29, -27, -15, -15, -27, -29, -41 }},
{{ -41, -29, -27, -15, -15, -27, -29, -41,
-9, 4, 14, 20, 20, 14, 4, -9,
-7, 10, 23, 29, 29, 23, 10, -7,
-5, 12, 25, 32, 32, 25, 12, -5, /* [eg][black][64] */
-5, 10, 23, 28, 28, 23, 10, -5,
-7, -2, 19, 19, 19, 19, -2, -7,
-9, -6, -2, 0, 0, -2, -6, -9,
-31, -29, -27, -25, -25, -27, -29, -31 },
{ -31, -29, -27, -25, -25, -27, -29, -31,
-9, -6, -2, 0, 0, -2, -6, -9,
-7, -2, 19, 19, 19, 19, -2, -7,
-5, 10, 23, 28, 28, 23, 10, -5, /* [eg][white][64] */
-5, 12, 25, 32, 32, 25, 12, -5,
-7, 10, 23, 29, 29, 23, 10, -7,
-9, 4, 14, 20, 20, 14, 4, -9,
-41, -29, -27, -15, -15, -27, -29, -41 }}
};
/*
************************************************************
* *
* Bishop scoring terms. *
* *
************************************************************
*/
const int bishop_trapped = 174;
const int bishop_pawns_on_color[2] = { 4, 6 };
const int bishop_wing_pawns[2] = { 18, 36 };
const int bishop_pair[2] = { 38, 56 };
const int king_tropism_b[8] = { 2, 2, 2, 1, 0, 0, 0, 0 };
const int bishop_outpost[2][64] = {
{ 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 3, 3, 3, 3, 1, 0,
0, 3, 5, 5, 5, 5, 3, 0,
0, 1, 2, 2, 2, 2, 1, 0, /* [black][64] */
0, 0, 1, 1, 1, 1, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 1, 1, 1, 0, 0,
0, 1, 2, 2, 2, 2, 1, 0,
0, 3, 5, 5, 5, 5, 3, 0, /* [white][64] */
0, 1, 3, 3, 3, 3, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0 }
};
const int bval[2][2][64] = {
{{ 0, 0, 0, 0, 0, 0, 0, 0,
0, 4, 4, 4, 4, 4, 4, 0,
0, 4, 8, 8, 8, 8, 4, 0,
0, 4, 8, 12, 12, 8, 4, 0,
0, 4, 8, 12, 12, 8, 4, 0, /* [mg][black][64] */
0, 4, 8, 8, 8, 8, 4, 0,
0, 4, 4, 4, 4, 4, 4, 0,
-15, -15, -15, -15, -15, -15, -15, -15},
{-15, -15, -15, -15, -15, -15, -15, -15,
0, 4, 4, 4, 4, 4, 4, 0,
0, 4, 8, 8, 8, 8, 4, 0,
0, 4, 8, 12, 12, 8, 4, 0,
0, 4, 8, 12, 12, 8, 4, 0, /* [mg][white][64] */
0, 4, 8, 8, 8, 8, 4, 0,
0, 4, 4, 4, 4, 4, 4, 0,
0, 0, 0, 0, 0, 0, 0, 0}},
{{ 0, 0, 0, 0, 0, 0, 0, 0,
0, 4, 4, 4, 4, 4, 4, 0,
0, 4, 8, 8, 8, 8, 4, 0,
0, 4, 8, 12, 12, 8, 4, 0,
0, 4, 8, 12, 12, 8, 4, 0, /* [eg][black][64] */
0, 4, 8, 8, 8, 8, 4, 0,
0, 4, 4, 4, 4, 4, 4, 0,
-15, -15, -15, -15, -15, -15, -15, -15},
{-15, -15, -15, -15, -15, -15, -15, -15,
0, 4, 4, 4, 4, 4, 4, 0,
0, 4, 8, 8, 8, 8, 4, 0,
0, 4, 8, 12, 12, 8, 4, 0,
0, 4, 8, 12, 12, 8, 4, 0, /* [eg][white][64] */
0, 4, 8, 8, 8, 8, 4, 0,
0, 4, 4, 4, 4, 4, 4, 0,
0, 0, 0, 0, 0, 0, 0, 0}}
};
/*
************************************************************
* *
* Rook scoring terms. *
* *
************************************************************
*/
const int rook_on_7th[2] = { 25, 35 };
const int rook_connected_7th[2] = { 6, 10 };
const int rook_open_file[2] = { 35, 20 };
const int rook_half_open_file[2] = { 10, 10 };
const int king_tropism_r[8] = { 4, 4, 3, 2, 1, 1, 1, 1 };
/*
************************************************************
* *
* Queen scoring terms. *
* *
************************************************************
*/
const int king_tropism_q[8] = { 6, 6, 5, 4, 3, 2, 2, 2 };
const int qval[2][2][64] = {
{{ 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 4, 4, 4, 4, 0, 0,
0, 4, 4, 6, 6, 4, 4, 0,
0, 4, 6, 8, 8, 6, 4, 0,
0, 4, 6, 8, 8, 6, 4, 0, /* [mg][black][64] */
0, 4, 4, 6, 6, 4, 4, 0,
0, 0, 4, 4, 4, 4, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 4, 4, 4, 4, 0, 0,
0, 4, 4, 6, 6, 4, 4, 0,
0, 4, 6, 8, 8, 6, 4, 0,
0, 4, 6, 8, 8, 6, 4, 0, /* [mg][white][64] */
0, 4, 4, 6, 6, 4, 4, 0,
0, 0, 4, 4, 4, 4, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0 }},
{{ 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 4, 4, 4, 4, 0, 0,
0, 4, 4, 6, 6, 4, 4, 0,
0, 4, 6, 8, 8, 6, 4, 0,
0, 4, 6, 8, 8, 6, 4, 0, /* [eg][black][64] */
0, 4, 4, 6, 6, 4, 4, 0,
0, 0, 4, 4, 4, 4, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 4, 4, 4, 4, 0, 0,
0, 4, 4, 6, 6, 4, 4, 0,
0, 4, 6, 8, 8, 6, 4, 0,
0, 4, 6, 8, 8, 6, 4, 0, /* [eg][white][64] */
0, 4, 4, 6, 6, 4, 4, 0,
0, 0, 4, 4, 4, 4, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0 }}
};
/*
************************************************************
* *
* King scoring terms. *
* *
************************************************************
*/
int king_safety[16][16];
const int king_safety_mate_threat = 600;
const int king_king_tropism = 10;
const int open_file[8] = { 6, 5, 4, 4, 4, 4, 5, 6 };
const int half_open_file[8] = { 4, 4, 3, 3, 3, 3, 4, 4 };
const int safety_vector[16] = {
0, 7, 14, 21, 28, 35, 42, 49,
56, 63, 70, 77, 84, 91, 98, 105
};
const int tropism_vector[16] = {
0, 1, 2, 3, 4, 5, 11, 20,
32, 47, 65, 86, 110, 137, 167, 200
};
const int kval[2][64] = {
{-40, -40, -40, -40, -40, -40, -40, -40,
-40, -10, -10, -10, -10, -10, -10, -40,
-40, -10, 60, 60, 60, 60, -10, -40,
-40, -10, 60, 60, 60, 60, -10, -40,
-40, -10, 40, 40, 40, 40, -10, -40, /* [black][64] */
-40, -10, 20, 20, 20, 20, -10, -40,
-40, -10, -10, -10, -10, -10, -10, -40,
-40, -40, -40, -40, -40, -40, -40, -40 },
{-40, -40, -40, -40, -40, -40, -40, -40,
-40, -10, -10, -10, -10, -10, -10, -40,
-40, -10, 20, 20, 20, 20, -10, -40,
-40, -10, 40, 40, 40, 40, -10, -40,
-40, -10, 60, 60, 60, 60, -10, -40, /* [white][64] */
-40, -10, 60, 60, 60, 60, -10, -40,
-40, -10, -10, -10, -10, -10, -10, -40,
-40, -40, -40, -40, -40, -40, -40, -40 }
};
/*
************************************************************
* *
* Miscellaneous evaluation constants. *
* *
************************************************************
*/
const int bad_trade = 90;
const int dark_corner[2] = { FILEA, FILEH };
const int light_corner[2] = { FILEH, FILEA };
const int direction[2] = { -8, 8 };
const char square_color[64] = {
1, 0, 1, 0, 1, 0, 1, 0,
0, 1, 0, 1, 0, 1, 0, 1,
1, 0, 1, 0, 1, 0, 1, 0,
0, 1, 0, 1, 0, 1, 0, 1,
1, 0, 1, 0, 1, 0, 1, 0,
0, 1, 0, 1, 0, 1, 0, 1,
1, 0, 1, 0, 1, 0, 1, 0,
0, 1, 0, 1, 0, 1, 0, 1
};
/*
************************************************************
* *
* Opening phase development terms. *
* *
************************************************************
*/
const int development_thematic = 12;
const int development_losing_castle = 20;
const int development_not_castled = 20;
const int wtm_bonus[2] = { 5, 8 };
/*
************************************************************
* *
* Skill command constants (should not be changed) *
* *
************************************************************
*/
uint64_t burner[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
const int burnc[10] = {128000, 64000, 32400, 15200, 7600,
3800, 1960, 1040, 480, 140};
/*
************************************************************
* *
* Mop-up scoring terms. These are used in pawnless end- *
* games to mate the weaker side. There is a special PST *
* B+N vs lone king to make it easier to win with very *
* shallow search depths. *
* *
************************************************************
*/
const char b_n_mate_dark_squares[64] = {
99, 90, 80, 70, 60, 50, 40, 30,
90, 80, 70, 60, 50, 40, 30, 40,
80, 70, 60, 50, 40, 30, 40, 50,
70, 60, 50, 40, 30, 40, 50, 60,
60, 50, 40, 30, 40, 50, 60, 70,
50, 40, 30, 40, 50, 60, 70, 80,
40, 30, 40, 50, 60, 70, 80, 90,
30, 40, 50, 60, 70, 80, 90, 99
};
const char b_n_mate_light_squares[64] = {
30, 40, 50, 60, 70, 80, 90, 99,
40, 30, 40, 50, 60, 70, 80, 90,
50, 40, 30, 40, 50, 60, 70, 80,
60, 50, 40, 30, 40, 50, 60, 70,
70, 60, 50, 40, 30, 40, 50, 60,
80, 70, 60, 50, 40, 30, 40, 50,
90, 80, 70, 60, 50, 40, 30, 40,
99, 90, 80, 70, 60, 50, 40, 30
};
const int mate[64] = {
200, 180, 160, 140, 140, 160, 180, 200,
180, 160, 140, 120, 120, 140, 160, 180,
160, 140, 120, 100, 100, 120, 140, 160,
140, 120, 100, 100, 100, 100, 120, 140,
140, 120, 100, 100, 100, 100, 120, 140,
160, 140, 120, 100, 100, 120, 140, 160,
180, 160, 140, 120, 120, 140, 160, 180,
200, 180, 160, 140, 140, 160, 180, 200
};
/* *INDENT-ON* */